Graco NXT 25A641 Instructions/Parts And Repair Download Page 13

Parts

3A3442B

13

Air Motor Parts

Part No. 25A641, 2.5 in. (63.5 mm)

 Replacement Danger and Warning labels, tags, and cards are available at no cost.

Ref.

25A641

Description

Qty

201

24G695

KIT, cover, bottom; includes 202 (qty 1), 203, 
207, 213 (qty 1), and 217

1

202

Not sold separately. See page 14.

O-RING, cover

2

203

Not sold separately. See page 14.

BEARING

1

204

Not sold separately. See page 14.

O-RING, piston

1

205

15M289

CYLINDER, motor

1

206

15M302

COVER, cylinder (includes English warning 
label)

1

207

Not sold separately. See page 14.

SEAL, u-cup 

2

208

Not sold separately. See Manifold Assembly (220, this 

table), see page 14.

GASKET, manifold

2

209

Not sold separately. Manifold Assembly (220, this 

table), see page 14.

GASKET, air valve

1

210

24H004

KIT, cover, top; includes 202 and 213 (qty 1 of 
each). 15X353 also includes 230 and 231.

1

211

Not sold separately. See Manifold Assembly (220, this 

table), see page 14.

SCREW, M6 x 25

8

212

15M314

BOLT, tie, hex head

2

213

24A366

VALVE, pilot (pack of 2)

1

214

24A351

VALVE, air; includes items 209 and 211 (qty 4)

1

215

15M213

MUFFLER

1

217

Not sold separately. See page 14.

RING, retaining

1

218

Not sold separately. See page 14.

ROD, air motor

1

219

25A657

KIT, piston, motor; includes16G561 adhesive.

1

220

24A579

MANIFOLD, assembly, includes 208, 209, and 
211 (qty. 4)

1

229

15W719 (not shown)

LABEL, warning (French and 
Spanish)

1

230

O-RING, top plug (24G694 only)

0

231

PLUG, top cover (24G694 only)

0

Summary of Contents for NXT 25A641

Page 1: ...th 0 75 Stroke For use with Graco fluid handling pumps For professional use only Part No 25A641 100 psi 0 7 MPa 7 0 bar Maximum Air Inlet Pressure Important Safety Instructions Read all warnings and i...

Page 2: ...e 6 General Information 6 Repair Air Valve 6 Replace Pilot Valves 8 Repair Air Motor 10 Troubleshooting 12 Parts 13 Air Motor Parts 13 Air Motor Parts 15 Air Valve Parts 16 Technical Data 18 Graco Sta...

Page 3: ...serious injury that can result in amputation Get immediate surgical treatment Do not point the dispensing device at anyone or at any part of the body Do not put your hand over the fluid outlet Do not...

Page 4: ...when fatigued or under the influence of drugs or alcohol Do not exceed the maximum working pressure or temperature rating of the lowest rated system com ponent See Technical Data in all equipment manu...

Page 5: ...he new air valve gasket 209 on the mani fold then attach the air valve 214 Torque screws 211 to 95 105 in lb 11 12 N m 6 Reconnect the air line to the motor Replace Seals or Rebuild Air Valve NOTE Air...

Page 6: ...Repair 6 3A3442B FIG 2 Air Valve Assembly 1 Apply lubricant 310 307 307 309 305 312 311 303 302 308 308 301 304 310 ti16213a 306 306 1 1 1 1 1 1 1 1...

Page 7: ...snap ring 310 on each end to hold end caps in place 7 Install the spring 311 Lubricate and install the air valve cup 312 see FIG 4 Align the small round magnet with the air inlet 8 Install the valve p...

Page 8: ...Repair 8 3A3442B FIG 5 Air Valve To Motor Assembly Apply lubricant Item 214 consists of items 301 312 1 2 TI16130a 214 211 203 204 219 209 207 205 202 211 217 207 230 1 1 1...

Page 9: ...move the air valve 214 and gasket 209 3 Remove four screws 211 and remove the manifold 220 and two gaskets 208 4 Use a 10 mm socket wrench to remove the pilot valves 213 from the top and bottom cover...

Page 10: ...n the piston 219 9 See FIG 7 Carefully place the bottom cover piston assembly on the cylinder 205 sliding the piston 219 into the cylinder The manifold surfaces of the top and bottom covers must align...

Page 11: ...od Damaged u cups 207 Replace the piston rod u cups 207 See page 9 Air continuously exhausting from muf fler Damaged air valve plate 305 or cup 312 Replace or service the air valve 214 See page 5 Air...

Page 12: ...rease 299 Torque to 35 40 ft lb 47 54 N m Torque to 11 13 ft lb 15 18 N m Torque to 95 105 in lb 10 7 11 9 N m Lubricate with grease 299 Lips face down Lips face up Torque to 30 35 ft lb 41 47 N m FIG...

Page 13: ...see page 14 GASKET manifold 2 209 Not sold separately Manifold Assembly 220 this table see page 14 GASKET air valve 1 210 24H004 KIT cover top includes 202 and 213 qty 1 of each 15X353 also includes 2...

Page 14: ...or Seal Kit 24G699 Bottom Cover Kit 24G695 Top Cover Kit 24H004 Air Motor Piston Kit 25A657 201 COVER motor bottom 202 O RING cover 203 BEARING 204 O RING piston 207 SEAL u cup 208 GASKET manifold 209...

Page 15: ...Parts 3A3442B 15 Air Valve Parts FIG 9 310 307 307 309 305 312 311 303 302 308 308 301 304 310 ti16213a 306 306...

Page 16: ...The table below shows possible kit options for each part Replacement screws 309 are available in a pack of 10 Order Kit 24A359 Ref Description Qty Air Valve Repair Kit 24A537 Air Valve Seal Kit 24A53...

Page 17: ...feet 1 m from equipment Maximum air inlet pressure 100 psi 0 7 MPa 7 0 bar Ambient air temperature range 35 120 F 2 49 C Package air inlet size 1 4 npt f Maximum motor speed Do not exceed maximum rec...

Page 18: ...n material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRA...

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